adv.廣泛地；大規(guī)模地

He traveled extensively to escape from boredom. 他到處旅游以解煩悶。

She read extensively to keep her mind from rust. 她廣泛閱讀以防止腦子遲鈍。

The interior has recently been extensively restored. 室內最近大規(guī)模地修整過。

Around here apple trees began to be planted extensively in1953. 從1953年起,這一帶開始大規(guī)模種植蘋果樹。